Sheet holding rack



April 25, 1933. KRAUTH 1,905,109

SHEET HOLDING RACK Original Filed May 17, 1928 INVENTOR WK ATT;RNEY$ 20in the rack or holder.

Patented Apr. 25, 1933 PATENT) MARIE wILtiAM mum; or HAIVIIILTON, oiiro,AssIGNoR TOIKRAUTH. &

1 BENNINGHOFEN,-OF HAMILTON, OHIO, A FI -M 1 SHEET normns RAoK Originalapplication filed May 17, 1928, Serial No. 278,596. Divided and this i1930. Serial This invention relates to music stands and isparticularlydirected to a collapsible,

foldable rack fol-supporting sheets or books of music etc.

division of an abandoned application of Marie William Krauth, Serial No.278,596, filed May 17, 1928, the latter being copend ing at the timethis application was filed.

The co-pending application is directed to the features ofa support ortripod for a music stand. The music stand disclosedin the pending caseincludes the base or support for a post supporting afrack'of the presentnature on the upper end of the post.

The rack of this invention'is generally "ap-' plied to this type ofmusic stand; although its application to this type'of supporting meansis intended to be included in View of those features of inventionresidrngentlrely It is, therefore, anobje'ct of this invention toprovide a music 'rack of foldable construction which is readily andeasily Hoollapsible into compact form. Another object in connection withthe foregoing is to provide that the music stand is highly efficient andthat its utility and stability are in no way detractedfrom by thefabrication thereof permitting compact folding.

Another object of this invention is to provide an adjustable mountingforthe sheet holding rack wherein the same is pivotally mounted to its.attaching stand or post and v in which the swinging or adjustmentmovement of the rack is limited and the rack is positively maintainedagainst accidental displacement at any selected inclined position withinits range of adjustment without the necessity of drawing up a clamp foreach setting.

Other objects and certain advantages will be more fully apparent fromthe description of the accompanying drawing in which:

Figure 1 is. a front view of a music stand incorporating the improvedsheet holding rack.

Figure 2 is a sectional view taken on line 22, Figure 1, detailing theadjustable mounting of the rack.

Figure 3 is a front view of the rackshow- The present application isaapplication filed. August 23, No. 477,273. 0

ing the same in partially collapsed or folded position. 7 j V fFigure 4is a rear view of the adjustable connection between the rack and itsattaching post. j .1 j

Figure 5fis a sectional'view taken on line 55, Figure 1, "detailing themeans for V aligning the sections of the diagonal straps} Referring tothe drawing, the rack 10- is shown, mounted upon an extensible post,11166 mounted on atripod'12. The post is made" up of a plurality oftubular sectionsrlg which decrease in-diameter from the baseto the uppersection for the purposeofsuccessively completely 'telescoping into' eachother into a lengthrepresented by the length of one section. Theconstruction of the tripod and POStfii'G of no importance in the present case except asan instanceof a: support for the rack.' 1 f. The musicholding rack 10 includes main central strap 14, from-the bottom of whichstrap, and in respective directions, angle iron rests 15 extendoutwardly beingpivoted to the central strap. The 'corjre' spondingflanges 16 of these angle iron pieces. constitute ledges for. supportingthe sheets. "The back rest for filling out the rack and maintaining theledges or sheet rests in sheet supporting V position comprises amultiplicity of strap iron lengths :of relatively small dimension. Thesestrap-lengths are suitably pivoted to, permit a complete collapsing ofthe .rack when the rests are folded up along the central strap. 7 8'5Describing the rack inset up. position,a pair of top straps? 17'havetheir'adjacent] ends pivotally attached to the upper end of I eachformed of along upper section 19 and a. short lowersection 20 pivotallylinked together. The rests and'the straps in this arrangement form arectangular :back for the rack- Sectional diagonal brace straps 21 arepro- 1 0 FricEf it? a halves fold over the adjacent side portions vided,eachstrap being pivoted to the re:-

spective pivot point of the side. straps and top straps at correspondingends and'havsing their other ends pivotally attached to r 7 ""1 the baseor center strap slightly above the" v pivots of the restsas at 22. Thepivotal ,atta'chment of the respective formed sides; of the rack formedby the linkage described is two independent pivotsat each siderof thebase strap so that the rack sides or of the base strap; Inotherwordsfthe rack sides told oneacli side of'a central line (see-- Figure 2The diagonal straps 21 are The joining end of a section of each'diagonalstrap extends slightly beyond its pivot pin 23 andh'as an indentationQtformed there- }Lin cooperating with an indentation 25;" formed intheadjacentface ofthe'aligned companion section providing a detent fora-snap setting of the Sections in alignedbrac V ing-positionwhen1theindentations-24 and 25 are registered (jsee Eigureiy The.center' strip is depressed over that portion; 14;? between the restpivots and the top st'rap'pivots, this-depression forming a straps areplaced in back of -the top and on' the depressed portion. To collapsetherack, I I

straps are broken centrally on their section joining [pivots 23 upwardlyand .thesidestraps are broken at "their sec'tion. joining;

enable the rack to bez'folded -orcollap'sed V intofla'length slightlyshorter "than the length of the "base strap and of very-slightly greateso width 'th'an the base.strap,- siblepost is by means of a shortpost26' The attachmentof the rack'to the extenadapted to be inserted intothe upper end any type of-holding socket. This post is limited lin itsinsertion means of a pressed portion 27 wideningthe post slightly andthe body of x V this-three11-point pivotal attachment and the slightbinding'efi'ect of the brace relative to thescrew, the rack is noteasily 'dis'loidge'd'from a set position. Furthermore,

each formed. of a pair or sections of equallength pivoted together bypivot pins 23.

clearance'for'the folded sections of diagonal straps when the rack iscollapsed'since these: 7

side straps and pivoted to thecentralstrapdescribed from the innerpivots of 111611131 111 the directionsabove described will "of thefmainpost of the music stand" or intovidedwithaslot 82. This slot 82, istraversed byfa screw 33 engaged into thepost.

Felt or leather washers 34 aredisposed be 1 tweenthe screwheadandthe-brace, and the screw 'is-riveted 1 after, being screwed-downto "such degree asto allow a frictional ena ement of the brace betweenthe washers the post i as there would be altendency for the pivot pins282, 31 to wear an'd'becom e loose'dur- '80 .o

ing continued usage,the binding eflect of the brace engaged between thewashersand the post will always-have the 'efiectiof fries 'tionallyautomatically "maintaining the rack Lin set position. r V c Havingdescribed my invention, 1 claim:

foldable vsheet holding ,rack "co nprising a cent of thecenter bar tomove tron-1 a position parallel with said cen-ter strip to a position atright angles thereto, an' upper bar pivots ally connectedto'the top of;the i-center bar; c and adapted to inove-ln the samemanneii'fl'astherestja side bar, comprising,sections hinged together, said sidebarp votally cons er-,bar,"a restpiv'otedto the base r sections, hingedtogether, said. bracepiVOtter bar-and to'the diagonally opposite 'conenection of the upper bari and sidebar, each:

' ally connectedto the lower end ofthe cen-g the diagonal brace of saidhinged sections,-1nakin g upthe i rack,

being disposed in a different plane, so as, v I

to swing f reely on their pivots, and said center stripbeingcentrally-depressed so as, I

In witness whereof, I herennto subscriber j to provide a portion also;in' aldifierent' plane.

my name.

gMARIE WI LIAMiK U -T at anfintermediate point Theextreme'upper end ofthe post 26 is pivotally attached, byz-ineans of a pivot pin'28", to theupper end 7 back of the central strap 14-: substantially centrally ofthe lengthofthe strap. An'ad- 'justable brace is pivotally attached tothelower endof the bracket by a pivotpin i -31,;and'ithe outer endofathebraceisi'prd of anca'ngle iron bracket 28 securedrto the nestingthe respective outer end of the rest?? and topbar, a diagonal brace,comprising,

